ES2188767T3 - Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion. - Google Patents

Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion.

Info

Publication number
ES2188767T3
ES2188767T3 ES96924030T ES96924030T ES2188767T3 ES 2188767 T3 ES2188767 T3 ES 2188767T3 ES 96924030 T ES96924030 T ES 96924030T ES 96924030 T ES96924030 T ES 96924030T ES 2188767 T3 ES2188767 T3 ES 2188767T3
Authority
ES
Spain
Prior art keywords
oxide
mixture
grades
circonious
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES96924030T
Other languages
English (en)
Spanish (es)
Inventor
Maryline Aubert
Thierry Birchem
Gilbert Blanchard
Olivier Touret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9480620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2188767(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Chimie SAS filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of ES2188767T3 publication Critical patent/ES2188767T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ES96924030T 1995-07-03 1996-06-28 Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion. Expired - Lifetime ES2188767T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9507979A FR2736343B1 (fr) 1995-07-03 1995-07-03 Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation

Publications (1)

Publication Number Publication Date
ES2188767T3 true ES2188767T3 (es) 2003-07-01

Family

ID=9480620

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96924030T Expired - Lifetime ES2188767T3 (es) 1995-07-03 1996-06-28 Composicion a base de oxido de circonio y de oxido de cerio, procedimiento de preparacion y utilizacion.

Country Status (18)

Country Link
US (1) US6214306B1 (de)
EP (1) EP0863846B1 (de)
JP (1) JP3490456B2 (de)
KR (1) KR100431919B1 (de)
CN (1) CN1177764C (de)
AT (1) ATE228970T1 (de)
AU (1) AU720555B2 (de)
BR (1) BR9609435A (de)
CA (1) CA2224409C (de)
DE (1) DE69625237C5 (de)
ES (1) ES2188767T3 (de)
FI (1) FI114909B (de)
FR (1) FR2736343B1 (de)
MX (1) MX9800114A (de)
MY (1) MY114721A (de)
NO (1) NO322625B1 (de)
WO (1) WO1997002213A1 (de)
ZA (1) ZA965464B (de)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
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EP1020216B1 (de) * 1999-01-18 2004-06-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Katalysator zur Reinigung von Abgasen
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JP4443685B2 (ja) * 1999-09-10 2010-03-31 三井金属鉱業株式会社 排気ガス浄化用助触媒の製造方法
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JP3758601B2 (ja) † 2002-05-15 2006-03-22 トヨタ自動車株式会社 吸蔵還元型ＮＯｘ浄化用触媒
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ZA965464B (en) 1997-04-24
JPH10512191A (ja) 1998-11-24
CA2224409A1 (fr) 1997-01-23
EP0863846B1 (de) 2002-12-04
FR2736343A1 (fr) 1997-01-10
FR2736343B1 (fr) 1997-09-19
KR19990028713A (ko) 1999-04-15
US6214306B1 (en) 2001-04-10
MX9800114A (es) 1998-04-30
KR100431919B1 (ko) 2004-07-16
NO976144D0 (no) 1997-12-30
CA2224409C (fr) 2002-04-09
FI114909B (fi) 2005-01-31
CN1193948A (zh) 1998-09-23
NO322625B1 (no) 2006-11-06
NO976144L (no) 1998-03-03
AU720555B2 (en) 2000-06-01
AU6462196A (en) 1997-02-05
DE69625237D1 (de) 2003-01-16
EP0863846A1 (de) 1998-09-16
FI980007A0 (fi) 1998-01-02
DE69625237C5 (de) 2020-04-23
BR9609435A (pt) 1999-05-25
DE69625237T2 (de) 2003-08-21
JP3490456B2 (ja) 2004-01-26
FI980007L (fi) 1998-02-19
WO1997002213A1 (fr) 1997-01-23
MY114721A (en) 2002-12-31
CN1177764C (zh) 2004-12-01
ATE228970T1 (de) 2002-12-15

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